US7797016B2 - Wireless LAN with central management of access points - Google Patents
Wireless LAN with central management of access points Download PDFInfo
- Publication number
- US7797016B2 US7797016B2 US10/664,631 US66463103A US7797016B2 US 7797016 B2 US7797016 B2 US 7797016B2 US 66463103 A US66463103 A US 66463103A US 7797016 B2 US7797016 B2 US 7797016B2
- Authority
- US
- United States
- Prior art keywords
- access points
- mobile station
- messages
- uplink
- response
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/004—Orthogonal
- H04J13/0048—Walsh
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/08—Closed loop power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/20—Interfaces between hierarchically similar devices between access points
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Abstract
Description
-
- arranging a plurality of access points in a wireless local area network (WLAN) to communicate over the air with a mobile station using a common basic service set identification (BSSID) for all the access points;
- receiving at one or more of the access points an uplink signal transmitted over the WLAN by the mobile station using the common BSSID;
- sending and receiving messages over a communication medium linking the access points in order to select one of the access points to respond to the uplink signal; and
- transmitting a response from the selected one of the access points to the mobile station.
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- arranging a plurality of access points in a wireless local area network (WLAN) to communicate over the air on a common frequency channel with a mobile station;
- receiving at one or more of the access points an uplink signal transmitted over the WLAN by the mobile station on the common frequency channel;
- conveying messages responsively to the uplink signal from the one or more of the access points over a communication medium linking the access points to a manager node;
- processing the messages at the manager node so as to select one of the access points to respond to the uplink signal; and
- transmitting a response from the selected one of the access points to the mobile station.
-
- a plurality of access points, which are arranged in a wireless local area network (WLAN) to communicate over the air on a common frequency channel with a mobile station using a common basic service set identification (BSSID) for all the access points, and which are adapted, upon receiving at one or more of the access points an uplink signal transmitted over the WLAN by the mobile station on the common frequency channel, to convey messages responsively to the uplink signal from the one or more of the access points over a communication medium linking the access points; and
- a manager node, linked to the communication medium, which is adapted to process the messages so as to select one of the access points to respond to the uplink signal, and to instruct the selected one of the access points to transmit a response to the mobile station.
Claims (38)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/664,631 US7797016B2 (en) | 2002-08-07 | 2003-09-19 | Wireless LAN with central management of access points |
US10/764,963 US7697549B2 (en) | 2002-08-07 | 2004-01-26 | Wireless LAN control over a wired network |
US12/716,288 US20100165968A1 (en) | 2002-08-07 | 2010-03-03 | Wireless LAN Control over a Wired Network |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/214,271 US20030206532A1 (en) | 2002-05-06 | 2002-08-07 | Collaboration between wireless lan access points |
US10/664,631 US7797016B2 (en) | 2002-08-07 | 2003-09-19 | Wireless LAN with central management of access points |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/214,271 Continuation-In-Part US20030206532A1 (en) | 2002-05-06 | 2002-08-07 | Collaboration between wireless lan access points |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/764,963 Continuation-In-Part US7697549B2 (en) | 2002-08-07 | 2004-01-26 | Wireless LAN control over a wired network |
Publications (2)
Publication Number | Publication Date |
---|---|
US20040063455A1 US20040063455A1 (en) | 2004-04-01 |
US7797016B2 true US7797016B2 (en) | 2010-09-14 |
Family
ID=31714241
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/214,271 Abandoned US20030206532A1 (en) | 2002-05-06 | 2002-08-07 | Collaboration between wireless lan access points |
US10/664,631 Active 2027-10-28 US7797016B2 (en) | 2002-08-07 | 2003-09-19 | Wireless LAN with central management of access points |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/214,271 Abandoned US20030206532A1 (en) | 2002-05-06 | 2002-08-07 | Collaboration between wireless lan access points |
Country Status (7)
Country | Link |
---|---|
US (2) | US20030206532A1 (en) |
EP (1) | EP1529355A4 (en) |
JP (1) | JP4347809B2 (en) |
KR (1) | KR100980308B1 (en) |
CN (2) | CN1689246A (en) |
AU (1) | AU2003282887A1 (en) |
WO (1) | WO2004015888A1 (en) |
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Also Published As
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US20030206532A1 (en) | 2003-11-06 |
US20040063455A1 (en) | 2004-04-01 |
KR100980308B1 (en) | 2010-09-06 |
CN1689252A (en) | 2005-10-26 |
CN1689246A (en) | 2005-10-26 |
EP1529355A4 (en) | 2008-01-16 |
WO2004015888A1 (en) | 2004-02-19 |
JP2005535254A (en) | 2005-11-17 |
JP4347809B2 (en) | 2009-10-21 |
KR20050055706A (en) | 2005-06-13 |
AU2003282887A1 (en) | 2004-02-25 |
EP1529355A1 (en) | 2005-05-11 |
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